CN213624279U

CN213624279U - Heat-resisting heat preservation furnace body of heat treatment periodic furnace

Info

Publication number: CN213624279U
Application number: CN202022665883.1U
Authority: CN
Inventors: 周亚飞; 朱继东
Original assignee: Jinggang Industrial Furnace Technology Suzhou Co ltd
Current assignee: Jinggang Industrial Furnace Technology Suzhou Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-06
Anticipated expiration: 2030-11-17

Abstract

The utility model relates to a periodic furnace technical field, and a heat-resisting heat preservation furnace body of heat treatment periodic furnace is disclosed, including furnace body and insulation can, the furnace body is located the insulation can, and the top passes the insulation can and extends to the outside, the fixed annular slab that is equipped with of outside lower extreme of furnace body, the ring channel has been seted up to the internal surface lower extreme of insulation can, the annular slab is connected with the cell wall contact of ring channel, the fixed two heating rods that are equipped with the symmetry in internal surface bottom of insulation can, the fixed two backup pads that are equipped with the symmetry in bottom of insulation can, the fixed base that is equipped with in bottom of two backup pads, the fixed riser that is equipped with in top right side of base, the left side of riser is equipped with intermittent type actuating mechanism, the fixed bull stick that is. The utility model discloses can be located the cycle stove when carrying out heat treatment work at the work piece, reduce the inside heat of furnace body and scatter and disappear.

Description

Heat-resisting heat preservation furnace body of heat treatment periodic furnace

Technical Field

The utility model relates to a heat-resisting heat preservation furnace body of heat treatment periodic furnace especially relates to periodic furnace technical field.

Background

The periodic furnace, i.e. the periodic operation type heat treatment resistance furnace, is a heat treatment furnace which is used for loading workpieces into the furnace in batches, completing the processes of heating, heat preservation and the like in the furnace, and loading another batch of workpieces into the furnace after being discharged, and is a device commonly used in the heat processing work.

When the conventional heat treatment periodic furnace is used for carrying out heat treatment on a workpiece, the heat preservation performance of a furnace body is insufficient, so that the heat in the furnace is easy to dissipate quickly, and the normal operation of heat treatment on the workpiece in the furnace is influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the heat preservation performance of the periodic furnace is poor in the prior art and certain influence is brought to the heat treatment of a workpiece, and provides a heat-resisting heat preservation furnace body of the heat treatment periodic furnace.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a heat-resistant heat-preservation furnace body of a heat treatment periodic furnace comprises a furnace body and a heat-preservation box, wherein the furnace body is positioned in the heat-preservation box, the top of the furnace body penetrates through the heat insulation box and extends to the outside, the lower end of the outer side of the furnace body is fixedly provided with an annular plate, the lower end of the inner surface of the heat preservation box is provided with an annular groove, the annular plate is in contact connection with the groove wall of the annular groove, the bottom of the inner surface of the heat preservation box is fixedly provided with two symmetrical heating rods, the bottom of the heat preservation box is fixedly provided with two symmetrical supporting plates, the bottoms of the two supporting plates are fixedly provided with bases, a vertical plate is fixedly arranged on the right side of the top of the base, an intermittent driving mechanism is arranged on the left side of the vertical plate, the bottom of the furnace body is fixedly provided with a rotating rod, the rod wall of the rotating rod is rotatably connected with the bottom of the heat insulation box through a first rotating bearing, the bottom of the rotating rod penetrates through the heat insulation box and extends to the outside, and the rotating rod is provided with a reciprocating rotating mechanism.

Preferably, the reciprocating rotating mechanism comprises a reciprocating screw rod and a first circular gear, two ends of the rod wall of the reciprocating screw rod are rotatably connected with the two supporting plates through second rotating bearings, the rod wall of the reciprocating screw rod is in threaded connection with a sliding block, the bottom of the sliding block is in contact connection with the top of the base, a rack is fixedly arranged on the front side of the sliding block, the first circular gear is fixedly sleeved with the lower end of the rod wall of the rotating rod, and the right end of the rod wall of the reciprocating screw rod penetrates through the right side of the supporting plate and extends to the outside.

Preferably, intermittent type actuating mechanism includes motor, second circular gear and sector gear, the left side upper end fixed connection of motor and riser, and output and sector gear fixed cup joint, the second circular gear is fixed with the pole wall right end of reciprocal lead screw and is cup jointed, second circular gear and sector gear meshing.

Preferably, the upper end of the inner surface of the heat preservation box is annularly and fixedly provided with heat insulation cotton.

Preferably, the furnace body is made of graphite fibers.

Preferably, the two heating rods are silicon carbide rods.

Compared with the prior art, the utility model provides a heat-resisting heat preservation furnace body of heat treatment cycle stove possesses following beneficial effect:

1. the heat-resistant heat-preservation furnace body of the heat treatment periodic furnace has the advantages that the heating rod, the rotating rod, the vertical plate, the intermittent driving mechanism and the reciprocating rotating mechanism are arranged, so that the furnace body heats and preserves heat outside the furnace body when the furnace body treats a workpiece, and the heat preservation performance of the periodic furnace is improved.

2. According to the heat-resistant heat-preservation furnace body of the heat treatment periodic furnace, the heat preservation box and the heat-insulation cotton are arranged, so that the heat loss in the furnace body is reduced and the heat resistance of the furnace body is improved when the furnace body of the periodic furnace is subjected to heat treatment.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure can be located the periodic furnace at the work piece and carry out the thermal treatment during operation, reduces the inside heat of furnace body and scatters and disappears, has improved the heat resistance of furnace body simultaneously, has improved the life and the thermal treatment efficiency of periodic furnace.

Drawings

FIG. 1 is a schematic structural view of a heat-resistant and heat-preserving furnace body of a heat treatment cycle furnace according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the furnace comprises a furnace body 1, an insulation can 2, a ring plate 3, a heating rod 4, a supporting plate 5, a base 6, a vertical plate 7, a rotating rod 8, a reciprocating screw rod 9, a first circular gear 10, a sliding block 11, a rack 12, a motor 13, a second circular gear 14, a sector gear 15 and heat insulation cotton 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a heat-resistant heat-preservation furnace body of a heat treatment cycle furnace comprises a furnace body 1 and a heat preservation box 2, wherein the furnace body 1 is positioned in the heat preservation box 2, the top of the furnace body passes through the heat preservation box 2 and extends to the outside, an annular plate 3 is fixedly arranged at the lower end of the outer side of the furnace body 1, an annular groove is arranged at the lower end of the inner surface of the heat preservation box 2, the annular plate 3 is in contact connection with the groove wall of the annular groove, the annular plate 3 and the annular groove are arranged to rotatably support the furnace body 1, two symmetrical heating rods 4 are fixedly arranged at the bottom of the inner surface of the heat preservation box 2, the furnace body 1 can be preserved by heating through the heating rods 4, so as to prevent the heat from being dissipated too fast, two symmetrical supporting plates 5 are fixedly arranged at the bottom of, the bottom of furnace body 1 is fixed and is equipped with bull stick 8, and the pole wall of bull stick 8 rotates through first rolling bearing and insulation can 2's bottom and is connected, and the bottom passes insulation can 2 and extends to the outside to be equipped with reciprocal slewing mechanism.

Reciprocal slewing mechanism includes reciprocal lead screw 9 and first round gear 10, the pole wall both ends of reciprocal lead screw 9 all rotate with two backup pads 5 through second rolling bearing and are connected, the pole wall threaded connection of reciprocal lead screw 9 has slider 11, the bottom of slider 11 is connected with the top contact of base 6, thereby it is spacing to the removal of slider 11, the fixed rack 12 that is equipped with in front side of slider 11, first round gear 10 cup joints with the pole wall lower end of bull stick 8 is fixed, the pole wall right-hand member of reciprocal lead screw 9 passes right side backup pad 5 and extends to the outside.

Intermittent type actuating mechanism includes motor 13, second circular gear 14 and sector gear 15, motor 13 and riser 7's left side upper end fixed connection, and the output cup joints with sector gear 15 is fixed, carries out fixed stay to motor 13 through setting up riser 7 to guarantee motor 13's steady operation, second circular gear 14 cup joints with the pole wall right end of reciprocal lead screw 9 is fixed, second circular gear 14 and sector gear 15 meshing.

The upper end of the inner surface of the heat preservation box 2 is annularly and fixedly provided with heat insulation cotton 16, the furnace body 1 is preserved by the heat insulation cotton 16, heat loss is reduced, the furnace body 1 is made of graphite fibers, therefore, the heat resistance of the furnace body 1 is improved, and the two heating rods 4 are silicon carbide rods.

In the utility model, when the furnace body 1 is used for carrying out heat treatment on a workpiece, the motor 13 and the two heating rods 4 are started, the heating rods 4 are started to generate heat and conduct the heat to the inside of the furnace body 1 through the bottom of the furnace body 1, the heat loss inside the furnace body 1 is reduced through the arranged heat insulation cotton 16, the fan-shaped gear 15 at the output end of the motor 13 rotates when the motor 13 is started, then the second circular gear 14 drives the reciprocating screw rod 9 to rotate intermittently through the intermittent meshing of the fan-shaped gear 15 and the second circular gear 14, the slide block 11 on the rod wall of the reciprocating screw rod 9 slides in a reciprocating manner when the reciprocating screw rod 9 rotates, so as to drive the rack 12 to move in a reciprocating manner, the rack 12 moves to be meshed with the first circular gear 10, so as to drive the first circular gear 10 to rotate, then the first circular gear 10 drives the rotating rod 8 to rotate, the furnace body 1 rotates in a reciprocating manner along with the rotating rod 8 under the limit rotation of the annular, all parts of the furnace body 1 can be subjected to heat transfer of the heating rods, so that the heat preservation performance and the heat resistance of the furnace body 1 are improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A heat-resistant heat preservation furnace body of a heat treatment periodic furnace comprises a furnace body (1) and a heat preservation box (2), and is characterized in that the furnace body (1) is positioned in the heat preservation box (2), the top of the furnace body penetrates through the heat preservation box (2) and extends to the outside, an annular plate (3) is fixedly arranged at the lower end of the outer side of the furnace body (1), an annular groove is formed in the lower end of the inner surface of the heat preservation box (2), the annular plate (3) is in contact connection with the groove wall of the annular groove, two symmetrical heating rods (4) are fixedly arranged at the bottom of the inner surface of the heat preservation box (2), two symmetrical support plates (5) are fixedly arranged at the bottom of the heat preservation box (2), a base (6) is fixedly arranged at the bottom of the two support plates (5), a vertical plate (7) is fixedly arranged on the, the bottom of furnace body (1) is fixed and is equipped with bull stick (8), the pole wall of bull stick (8) is connected through first rolling bearing and the bottom rotation of insulation can (2), and the bottom passes insulation can (2) and extends to the outside to be equipped with reciprocal slewing mechanism.

2. The heat-resisting and heat-preserving furnace body of the heat treatment periodic furnace is characterized in that the reciprocating rotating mechanism comprises a reciprocating screw rod (9) and a first circular gear (10), two ends of the rod wall of the reciprocating screw rod (9) are rotatably connected with the two supporting plates (5) through second rotating bearings, a sliding block (11) is in threaded connection with the rod wall of the reciprocating screw rod (9), the bottom of the sliding block (11) is in contact connection with the top of the base (6), a rack (12) is fixedly arranged on the front side of the sliding block (11), the first circular gear (10) is fixedly sleeved with the lower end of the rod wall of the rotating rod (8), and the right end of the rod wall of the reciprocating screw rod (9) penetrates through the supporting plate (5) on the right side and extends to the outside.

3. The heat-resisting heat preservation furnace body of the heat treatment periodic furnace as claimed in claim 1, characterized in that the intermittent driving mechanism comprises a motor (13), a second circular gear (14) and a sector gear (15), the motor (13) is fixedly connected with the upper end of the left side of the vertical plate (7), the output end of the motor is fixedly sleeved with the sector gear (15), the second circular gear (14) is fixedly sleeved with the right end of the rod wall of the reciprocating screw rod (9), and the second circular gear (14) is meshed with the sector gear (15).

4. The heat-resistant heat preservation furnace body of the heat treatment cycle furnace as claimed in claim 1, characterized in that the upper end of the inner surface of the heat preservation box (2) is annularly and fixedly provided with heat insulation cotton (16).

5. The heat-resistant heat-preservation furnace body of the heat treatment periodic furnace as claimed in claim 1, wherein the furnace body (1) is made of graphite fibers.

6. The heat-resistant holding furnace body of the heat treatment periodic furnace according to claim 1, characterized in that the two heating rods (4) are silicon carbide rods.